|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B21F-025/00 E04H-017/04 E04H-017/02|
|미국특허분류(USC)||256/002; 256/010; 256/012|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 10|
A fence module is adapted for installation without required anchoring buy providing a base frame and a plurality of upright supporting posts extending from the base frame. At least three fence sections extend between the supporting posts. A first fence section at a first extreme end of the fence module, a second fence section at a second extreme end of the fence module, and a third fence section angularly positioned between the first and second fence sections. A pair of vibration sensing modules are used to detect intruders, one applied to the first fenc...
The invention claimed is: 1. A security fence section in a fence formed along a boundary, the boundary having a secured side and an unsecured side, comprising: a rectangular base positioned on an underlying surface forming part of the boundary, the base including a first end beam, a second end beam, a first lateral support and a second lateral support, each coupled perpendicular to the first and second end beams, the first end beam positioned closer to said unsecured side of said boundary than said second end beam; a first rectangular fence section exte...